states faithfully. >> that i will execute -- >> faithfully the office of president of the united states. >> the office of president of the united states safely. >> and will to the best of my ability -- >> it was a moment for the history books. president obama gets set to take his second oath of office. there is a national day of service. a private and a public swearing in followed by a parade and inauguration ball. as steve handelsman tells us there's a more serious undertone for this inauguration. >> reporter: washington is almost ready. massive security, barriers going into place, bleachers along pennsylvania avenue for monday's inaugural parade. and the presidential viewing stand bulletproof rebuilt every four years. but since a huge crowd full of hope saw the first obama swearing in, america has lowered its expectation. only 35% in the nbc news/"wall street journal" poll says the country is heading in the right direction. and president obama's new portrait, his approval stands at 62%. his likability at 61%. but only 29% say he's working effectively with congress. and today there's m